Motorcycle chassis



FIG. 1 is a front perspective view of a motorcycle chassis showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a rear perspective view thereof when installed on an exemplary motorcycle.

The broken lines in the drawings illustrate portions of the chassis and an environmental motorcycle that form no part of the claimed design. 

CLAIM We claim the ornamental design for a motorcycle chassis, as shown and described. 